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MX2017007870A - Paper pencil lead. - Google Patents

Paper pencil lead.

Info

Publication number
MX2017007870A
MX2017007870A MX2017007870A MX2017007870A MX2017007870A MX 2017007870 A MX2017007870 A MX 2017007870A MX 2017007870 A MX2017007870 A MX 2017007870A MX 2017007870 A MX2017007870 A MX 2017007870A MX 2017007870 A MX2017007870 A MX 2017007870A
Authority
MX
Mexico
Prior art keywords
advantageously
paper pencil
lead
polyolefin
pencil lead
Prior art date
Application number
MX2017007870A
Other languages
Spanish (es)
Other versions
MX369785B (en
Inventor
Gouerec Julien
Lefebvre Philippe
Claptien Frédéric
Original Assignee
Conte
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Conte filed Critical Conte
Publication of MX2017007870A publication Critical patent/MX2017007870A/en
Publication of MX369785B publication Critical patent/MX369785B/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43KIMPLEMENTS FOR WRITING OR DRAWING
    • B43K19/00Non-propelling pencils; Styles; Crayons; Chalks
    • B43K19/02Pencils with graphite; Coloured pencils
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43KIMPLEMENTS FOR WRITING OR DRAWING
    • B43K19/00Non-propelling pencils; Styles; Crayons; Chalks
    • B43K19/16Making non-propelling pencils
    • B43K19/18Making pencil writing-cores
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D13/00Pencil-leads; Crayon compositions; Chalk compositions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Paper (AREA)

Abstract

The present invention concerns an extrudable, unexpanded paper pencil lead, comprising, by weight relative to the total weight of the lead; between 40 and 60%, and advantageously between 44 and 50%, of graphite; between 15 and 40%, and advantageously between 20 and 35%, of a polyolefin; between 5 and 15%, and advantageously between 6 and 10%, of a colourless mineral filler; between 5 and 20%, and advantageously between 5 and 15%, of carbon black coated with or mixed with a polyolefin wax or a polyolefin; between 0 and 16%, and advantageously between 5 and 15%, of an additive. It further concerns the paper pencil comprising a lead according to the invention.
MX2017007870A 2014-12-17 2015-12-14 Paper pencil lead. MX369785B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1462662A FR3030364B1 (en) 2014-12-17 2014-12-17 PENCIL MINE WITH PAPER
PCT/FR2015/053467 WO2016097553A1 (en) 2014-12-17 2015-12-14 Paper pencil lead

Publications (2)

Publication Number Publication Date
MX2017007870A true MX2017007870A (en) 2018-03-21
MX369785B MX369785B (en) 2019-11-21

Family

ID=52469218

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2017007870A MX369785B (en) 2014-12-17 2015-12-14 Paper pencil lead.

Country Status (16)

Country Link
US (1) US10308063B2 (en)
EP (1) EP3234044B1 (en)
CN (1) CN107406706B (en)
AR (1) AR103148A1 (en)
AU (1) AU2015366058B2 (en)
BR (1) BR112017012737B1 (en)
CA (1) CA2970842A1 (en)
ES (1) ES2835826T3 (en)
FR (1) FR3030364B1 (en)
MA (1) MA40649B1 (en)
MX (1) MX369785B (en)
PL (1) PL3234044T3 (en)
RU (1) RU2700063C2 (en)
TN (1) TN2017000251A1 (en)
WO (1) WO2016097553A1 (en)
ZA (1) ZA201704673B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3065006B1 (en) 2017-04-10 2019-06-21 Societe Bic PENCIL MINE WITH PAPER
CN109265073A (en) * 2018-09-26 2019-01-25 蚌埠神龙笔业有限公司 A kind of high-strength lead pen core and preparation method thereof
CN109096828A (en) * 2018-09-29 2018-12-28 蚌埠神龙笔业有限公司 A kind of clear writing, written cleaning pencil-lead and pencil
CN109385147B (en) * 2018-11-07 2021-09-03 哈尔滨隆之道科技有限公司 Matte pencil lead and preparation method thereof
MX2021006356A (en) 2018-12-18 2021-08-11 SOCIéTé BIC Lead casing for pencil, and pencil thereof for writing, drawing, marking, plotting, and coloring.
EP3898255B1 (en) 2018-12-18 2022-11-30 Société BIC Lead casing for pencil, and pencil thereof for writing, drawing, marking, plotting, and coloring
BR112021009470B1 (en) 2018-12-18 2023-10-03 Societe Bic CORE CASING FOR PENCILS, AND PENCILS THEREOF FOR WRITING, DRAWING, MARKING, TRACING AND COLORING
MX2021005676A (en) 2018-12-18 2021-07-07 SOCIéTé BIC Lead casing for pencil, and pencil thereof for writing, drawing, marking, plotting, and coloring.
EP3845616B1 (en) * 2020-01-06 2025-12-03 Société BIC Lead for pencil for writing, drawing, marking, plotting and/or coloring
CN111469582A (en) * 2020-04-17 2020-07-31 南昌大学 Method for isolating keys

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2682476A (en) * 1950-05-11 1954-06-29 Staedtler J S Mixture for manufacture of pencil leads
US3360489A (en) 1963-03-11 1967-12-26 Hassenfeld Bros Inc Writing elements comprising colloidal thermoplastic resin and metallic soap
GB1171634A (en) * 1965-11-10 1969-11-26 Dainihon Bungu Kabushiki Kaish A method of preparing pencil leads
US4209332A (en) * 1978-08-24 1980-06-24 Sakura Color Products Corp. Method for manufacturing pencil leads
EP1093495B1 (en) * 1998-06-26 2004-03-17 Binney & Smith Inc. Erasable colored pencil lead
FR2802148B1 (en) 1999-12-13 2003-01-24 Conte PROCESS FOR THE MANUFACTURE BY TRI-EXTRUSION OF A PENCIL TO BE WRITING OR TO BE COLORED AND THE PENCIL TO BE WRITING OR TO BE COLORED COMPRISING A PROTECTIVE INTERMEDIATE LAYER
EP1146098A1 (en) * 2000-04-14 2001-10-17 Sicpa Holding S.A. Solid marking composition as writing means, a writing instrument, an optically variable marking layer and use of a plurality of optically variable pigments
DE102004021048A1 (en) * 2004-04-29 2005-11-24 Poloplast Gmbh & Co.Kg Pencil for writing, marking, artwork or cosmetic applications, comprises a lead containing polyolefin and coloring material inside a coextruded casing based on polyolefin material
JP2006076040A (en) 2004-09-08 2006-03-23 Hiromi Kawada Manufacturing method of lead for pencil, colored pencil and mechanical pencil by multiscrew multilayer extrusion method
DE102005004175B4 (en) 2005-01-26 2013-11-28 J. S. Staedtler Gmbh & Co. Kg Mine for writing, drawing or painting equipment
ATE467656T1 (en) 2007-11-02 2010-05-15 Faber Castell Ag MINE
DE102008034015B4 (en) 2008-07-15 2011-08-25 J. S. Staedtler GmbH & Co. KG, 90427 Writing, drawing, painting or cosmetic pencil
DE102008034014B4 (en) 2008-07-15 2011-06-16 J. S. Staedtler Gmbh & Co. Kg Mine for writing, drawing and / or painting equipment
WO2010123070A1 (en) 2009-04-24 2010-10-28 三菱鉛筆株式会社 Pencil lead and method for producing same
JP2012088871A (en) 2010-10-19 2012-05-10 Hitachi Solutions Ltd Advertisement distribution system in means of public transportation
US20130338257A1 (en) * 2010-12-30 2013-12-19 Ying Liu Colourized pen with high elasticity and plasticity and manufacturing process thereof
ES2578732T3 (en) 2011-03-17 2016-07-29 Ems-Patent Ag Sleeve body
BRPI1104155B1 (en) 2011-08-15 2021-01-19 Ebras Comércio De Lápis Ltda formulation for obtaining the raw material for the production of an article for writing, manufacturing process of an article for writing and article for writing
FR2988643B1 (en) 2012-03-28 2014-03-07 Maped EXPANDED CRAYON AND METHOD FOR MANUFACTURING THE SAME
DE102013001495B4 (en) 2013-01-23 2023-11-02 Staedtler Mars Gmbh & Co. Kg Writing, drawing, painting and/or cosmetic pen, comprising a component for holding at least one application medium, and a method for producing it

Also Published As

Publication number Publication date
ZA201704673B (en) 2018-12-19
TN2017000251A1 (en) 2018-10-19
CN107406706B (en) 2021-03-19
EP3234044B1 (en) 2020-10-07
MA40649A1 (en) 2017-09-29
US10308063B2 (en) 2019-06-04
MA40649B1 (en) 2018-09-28
AU2015366058A1 (en) 2017-07-06
ES2835826T3 (en) 2021-06-23
RU2017123020A3 (en) 2019-04-08
RU2700063C2 (en) 2019-09-12
RU2017123020A (en) 2019-01-18
BR112017012737A2 (en) 2018-01-02
BR112017012737B1 (en) 2022-06-14
PL3234044T3 (en) 2021-04-06
CA2970842A1 (en) 2016-06-23
AU2015366058B2 (en) 2019-06-13
WO2016097553A1 (en) 2016-06-23
CN107406706A (en) 2017-11-28
MX369785B (en) 2019-11-21
FR3030364B1 (en) 2017-01-13
US20180001694A1 (en) 2018-01-04
EP3234044A1 (en) 2017-10-25
AR103148A1 (en) 2017-04-19
FR3030364A1 (en) 2016-06-24

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Legal Events

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